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Finding the Fourth Proportional to 247,875.71, 342,037.85 and 151,044.27

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Solution

The fourth proportional to 247,875.71, 342,037.85 and 151,044.27 is: 208,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,875.71 : 342,037.85 = 151,044.27 : x
  2. Step 2: Convert to fraction form
    247,875.71/342,037.85 = 151,044.27/x
  3. Step 3: Cross multiply
    247,875.71x = 342,037.85 × 151,044.27
  4. Step 4: Simplify right side
    247,875.71x = 51,662,857,365.62
  5. Step 5: Solve for x
    x = 51,662,857,365.62/247,875.71
  6. Step 6: Final answer
    x = 208,422.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.